CN208045162U - A kind of electric LHD flexible cable - Google Patents
A kind of electric LHD flexible cable Download PDFInfo
- Publication number
- CN208045162U CN208045162U CN201820551195.2U CN201820551195U CN208045162U CN 208045162 U CN208045162 U CN 208045162U CN 201820551195 U CN201820551195 U CN 201820551195U CN 208045162 U CN208045162 U CN 208045162U
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- ground wire
- wire core
- power line
- power
- core conductor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses a kind of electric LHD flexible cables, including power line, ground wire, fills unit and protective layer, power line is provided with three, arrangement in equilateral triangle, ground wire is provided with three, three ground wires are located between power line two-by-two, power line includes power wire core conductor, power wire core insulating layer, power wire core insulating layer, which extrudes, to be coated on outside power wire core conductor, ground wire includes ground wire core conductor, ground wire core insulating barrier, ground wire core insulating barrier, which extrudes, to be coated on outside ground wire core conductor, power line, it is filled using fills unit in gap between ground wire, power line, protective layer is set outside ground wire, protective layer is inner sheath from inside to outside, fabric reinforcement and oversheath three-decker.The utility model have service life it is long, bending radius is small, and insulation performance is good, high tensile, high abrasion, high fire-retardance, it is easy for construction the advantages that, can be widely applied to it is various mining models electric LHD.
Description
Technical field
The utility model is related to electric LHD relevant equipment electric wire field of cables, especially a kind of electric LHD is used
Flexible cable.
Background technology
It is well known that environment complexity, operating condition are severe in mine, there are many sharp objects and subsurface flows.Electricity
Power scraper machine at work, needs the cable for carrying out power transmission to it to carry out frequent retractable cable operation, due to normal cable knot
Structure cannot meet its practical use demand, and cable core break power blackout situation is just will appear after using tens days, seriously affect mining
Efficiency.Therefore, it is necessary to improve normal cable progress material upgrading and structure, the electrical property that not only keep cable excellent, also
The use environment and use condition of electric LHD harshness are adapted to, ensures what electric LHD used in mine under mal-condition
Safety and reliability effectively promotes mining efficiency, reduces mining development cost.
Invention content
The utility model is directed to deficiency in the prior art, it is therefore an objective to provide one kind and not only keep cable excellent electrical properties but also resistance to
Electric LHD flexible cable, long-term continuous core, can ensure that the continuous work of scraper is not interrupted, carry after the cable use
The working efficiency of high scraper.
Technical solution is used by the utility model solves above-mentioned technical problem：
A kind of electric LHD flexible cable, it is characterised in that：Including power line, ground wire, fills unit and protective layer, institute
It states power line and is provided with three, arrangement in equilateral triangle, the ground wire is provided with three, and three ground wires are located at and move two-by-two
Between the line of force, the power line includes power wire core conductor, power wire core insulating layer, power wire core insulating layer extrude be coated on it is dynamic
Outside line of force core conductor, the ground wire includes ground wire core conductor, ground wire core insulating barrier, and ground wire core insulating barrier, which extrudes, is coated on wire core
Outside conductor, the gap between the power line, ground wire is filled using fills unit, and protective layer is arranged outside the power line, ground wire,
The protective layer is inner sheath, fabric reinforcement and oversheath three-decker from inside to outside.
The power wire core conductor, ground wire core conductor are all made of tinned copper wire and aramid fiber yarn combined beam is answered twisted and knitted,
Aramid fiber yarn synnema is first used, one layer of tinned copper wire is woven after the completion of synnema；
The fills unit is rubber adhesive tape；
The inner sheath is extruded using neoprene and is crosslinked；
The fabric reinforcement is woven using high intensity aramid line；
The oversheath is extruded using neoprene and is crosslinked.
The utility model has the advantage that：
（1）The power wire core conductor of the utility model, ground wire core conductor are all made of tinned copper wire and aramid fiber yarn combined beam is multiple
Twisted is knitted, and stretching and the bending property of cable core are improved, and ensure that the high life of electric power transfer unit, use are such
Structure can guarantee cable using still continuous core in several years；
（2）The power wire core insulating layer of the utility model, ground wire core insulating barrier are all made of EP rubbers material and extrude crosslinking
It forms, can inhibit insulated electro tree and water tree during use and generate, effectively improve product insulation performance；
（3）Braided fiber enhancement layer structure is used between the interior oversheath of the utility model, ensures that cable is encountering point
Sharp thing body and subsurface flow have high tear performance and water resistance when laying, can with the safety of effective protection insulating layer, and
So that cable is had in harsh environment has the characteristics such as high abrasion, fire-retardant, extends the service life of cable.
Description of the drawings
The following drawings is only intended in making schematical description and interpretation to the utility model, however it is not limited to the utility model
Range.Wherein,
Fig. 1 is the cross section structure schematic diagram of the utility model.
Specific implementation mode
In order to which the technical characteristics of the utility model, purpose, effect and embodiment are more clearly understood, in conjunction with
Illustrate specific embodiment of the present utility model.
As shown in Figure 1, the electric LHD flexible cable, including power line, ground wire, fills unit 3 and protective layer, it is described
Power line is provided with three, and arrangement in equilateral triangle, the ground wire is provided with three, and three ground wires are located at power two-by-two
Between line, the power line includes power wire core conductor 1, power wire core insulating layer 2, and power wire core insulating layer 2, which extrudes, to be coated on
Outside power wire core conductor 1, the ground wire includes ground wire core conductor 4, ground wire core insulating barrier 5, and ground wire core insulating barrier 5, which extrudes, to be coated on
Outside ground wire core conductor 4, the gap between the power line, ground wire is filled using fills unit 3, the power line, ground wire peripheral hardware
Protective layer is set, the protective layer is 8 three-decker of inner sheath 6, fabric reinforcement 7 and oversheath from inside to outside.
The power wire core conductor 1, ground wire core conductor 4 are all made of tinned copper wire and aramid fiber yarn combined beam answer twisted knit and
At first using aramid fiber yarn synnema, synnema weaves one layer of tinned copper wire, greatly improves the stretching and bending of cable core after the completion
Performance ensure that the high life of cable product electric power transfer unit, adopt the structure certifiable cable using several years when
Interior still continuous core；
The power wire core insulating layer 2, ground wire core insulating barrier 5, which are all made of EP rubbers material and extrude, to be crosslinked, and can be pressed down
Insulated electro tree and water tree during use processed generate, and effectively improve product insulation performance；
The fills unit 3 is rubber adhesive tape；
The inner sheath 6 is extruded using neoprene and is crosslinked；
The fabric reinforcement 7 is woven using high intensity aramid line；
The oversheath 8 is extruded using neoprene and is crosslinked.
7 structure of braided fiber enhancement layer is used between interior oversheath, ensures that cable is encountering sharp objects and underground water
Have high tear performance and water resistance when stream laying, can be with the safety of effective protection insulating layer, and cable is made to have
There are the characteristics such as high abrasion, fire-retardant in adverse circumstances, extend the service life of cable.
The utility model has service life long, and bending radius is small, and insulation performance is good, high tensile, high abrasion, high fire-retardance,
The advantages that easy for construction.The utility model can be widely applied to the electric LHD of various mining models.
Claims (6)
1. a kind of electric LHD flexible cable, it is characterised in that：Including power line, ground wire, fills unit（3）And protective layer,
The power line is provided with three, and arrangement in equilateral triangle, the ground wire is provided with three, and three ground wires are located at two-by-two
Between power line, the power line includes power wire core conductor（1）, power wire core insulating layer（2）, power wire core insulating layer（2）
It extrudes and is coated on power wire core conductor（1）Outside, the ground wire includes ground wire core conductor（4）, ground wire core insulating barrier（5）, wire core
Insulating layer（5）It extrudes and is coated on ground wire core conductor（4）Outside, the gap between the power line, ground wire uses fills unit（3）It fills out
It fills, protective layer is set outside the power line, ground wire, the protective layer is inner sheath from inside to outside（6）, fabric reinforcement（7）
And oversheath（8）Three-decker.
2. a kind of electric LHD flexible cable according to claim 1, it is characterised in that：The power wire core conductor
（1）, ground wire core conductor（4）It is all made of tinned copper wire and aramid fiber yarn combined beam is answered twisted and knitted, first use aramid fiber yarn synnema, beam
One layer of tinned copper wire is woven after the completion of silk.
3. a kind of electric LHD flexible cable according to claim 1, it is characterised in that：The fills unit（3）For
Rubber adhesive tape.
4. a kind of electric LHD flexible cable according to claim 1, it is characterised in that：The inner sheath（6）Using
Neoprene, which extrudes, to be crosslinked.
5. a kind of electric LHD flexible cable according to claim 1, it is characterised in that：The fabric reinforcement（7）
It is woven using high intensity aramid line.
6. a kind of electric LHD flexible cable according to claim 1, it is characterised in that：The oversheath（8）Using
Neoprene, which extrudes, to be crosslinked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820551195.2U CN208045162U (en) | 2018-04-18 | 2018-04-18 | A kind of electric LHD flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820551195.2U CN208045162U (en) | 2018-04-18 | 2018-04-18 | A kind of electric LHD flexible cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208045162U true CN208045162U (en) | 2018-11-02 |
Family
ID=63927631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820551195.2U Active CN208045162U (en) | 2018-04-18 | 2018-04-18 | A kind of electric LHD flexible cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208045162U (en) |
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2018
- 2018-04-18 CN CN201820551195.2U patent/CN208045162U/en active Active
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